package com.study.webapp.connectionpool;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ThreadPoolExecutor;

public class ThreadPoolTest2 {

    public static void main(String[] args) {
//        ThreadPoolExecutor executor = new ThreadPoolExecutor();
//        executor.execute();

        List<String> list = new ArrayList<>();
        list.add("");

        ThreadLocal<String> local = new ThreadLocal<>();

        ConcurrentMap<String,String> map = new ConcurrentHashMap();
        map.put("","");
    }
}
